github: proper unescape
github: proper unescape

Former-commit-id: d788d851e25b9d0e3336aa414fc7f553ce2ae3a3 [formerly fcd1eb723fbfe35dbf6d20c9426f12051207753a]
Former-commit-id: e8c56570724553f6c8cb96d414eaa5e33ff5044a
torhve/ivar2,torhve/ivar2,torhve/ivar2,haste/ivar2